1 files changed, 0 insertions, 370 deletions
diff --git a/nx-X11/extras/drm/linux-core/drm_irq.c b/nx-X11/extras/drm/linux-core/drm_irq.c
deleted file mode 100644
index 7f21205d5..000000000
--- a/nx-X11/extras/drm/linux-core/drm_irq.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/**
- * \file drm_irq.c
- * IRQ support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drmP.h"
-
-#include <linux/interrupt.h>	/* For task queue support */
-
-/**
- * Get interrupt from bus id.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_irq_busid structure.
- * \return zero on success or a negative number on failure.
- *
- * Finds the PCI device with the specified bus id and gets its IRQ number.
- * This IOCTL is deprecated, and will now return EINVAL for any busid not equal
- * to that of the device that this DRM instance attached to.
- */
-int drm_irq_by_busid(struct inode *inode, struct file *filp,
-		     unsigned int cmd, unsigned long arg)
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->head->dev;
-	drm_irq_busid_t __user *argp = (void __user *)arg;
-	drm_irq_busid_t p;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	if (copy_from_user(&p, argp, sizeof(p)))
-		return -EFAULT;
-
-	if ((p.busnum >> 8) != dev->pci_domain ||
-	    (p.busnum & 0xff) != dev->pci_bus ||
-	    p.devnum != dev->pci_slot || p.funcnum != dev->pci_func)
-		return -EINVAL;
-
-	p.irq = dev->irq;
-
-	DRM_DEBUG("%d:%d:%d => IRQ %d\n", p.busnum, p.devnum, p.funcnum, p.irq);
-	if (copy_to_user(argp, &p, sizeof(p)))
-		return -EFAULT;
-	return 0;
-}
-
-/**
- * Install IRQ handler.
- *
- * \param dev DRM device.
- *
- * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver
- * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions
- * before and after the installation.
- */
-static int drm_irq_install(drm_device_t * dev)
-{
-	int ret;
-	unsigned long sh_flags = 0;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	if (dev->irq == 0)
-		return -EINVAL;
-
-	down(&dev->struct_sem);
-
-	/* Driver must have been initialized */
-	if (!dev->dev_private) {
-		up(&dev->struct_sem);
-		return -EINVAL;
-	}
-
-	if (dev->irq_enabled) {
-		up(&dev->struct_sem);
-		return -EBUSY;
-	}
-	dev->irq_enabled = 1;
-	up(&dev->struct_sem);
-
-	DRM_DEBUG("%s: irq=%d\n", __FUNCTION__, dev->irq);
-
-	if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) {
-		init_waitqueue_head(&dev->vbl_queue);
-
-		spin_lock_init(&dev->vbl_lock);
-
-		INIT_LIST_HEAD(&dev->vbl_sigs.head);
-
-		dev->vbl_pending = 0;
-	}
-
-	/* Before installing handler */
-	dev->driver->irq_preinstall(dev);
-
-	/* Install handler */
-	if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
-		sh_flags = SA_SHIRQ;
-
-	ret = request_irq(dev->irq, dev->driver->irq_handler,
-			  sh_flags, dev->devname, dev);
-	if (ret < 0) {
-		down(&dev->struct_sem);
-		dev->irq_enabled = 0;
-		up(&dev->struct_sem);
-		return ret;
-	}
-
-	/* After installing handler */
-	dev->driver->irq_postinstall(dev);
-
-	return 0;
-}
-
-/**
- * Uninstall the IRQ handler.
- *
- * \param dev DRM device.
- *
- * Calls the driver's \c drm_driver_irq_uninstall() function, and stops the irq.
- */
-int drm_irq_uninstall(drm_device_t * dev)
-{
-	int irq_enabled;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	down(&dev->struct_sem);
-	irq_enabled = dev->irq_enabled;
-	dev->irq_enabled = 0;
-	up(&dev->struct_sem);
-
-	if (!irq_enabled)
-		return -EINVAL;
-
-	DRM_DEBUG("%s: irq=%d\n", __FUNCTION__, dev->irq);
-
-	dev->driver->irq_uninstall(dev);
-
-	free_irq(dev->irq, dev);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_irq_uninstall);
-
-/**
- * IRQ control ioctl.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_control structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls irq_install() or irq_uninstall() according to \p arg.
- */
-int drm_control(struct inode *inode, struct file *filp,
-		unsigned int cmd, unsigned long arg)
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->head->dev;
-	drm_control_t ctl;
-
-	/* if we haven't irq we fallback for compatibility reasons - this used to be a separate function in drm_dma.h */
-
-	if (copy_from_user(&ctl, (drm_control_t __user *) arg, sizeof(ctl)))
-		return -EFAULT;
-
-	switch (ctl.func) {
-	case DRM_INST_HANDLER:
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl.irq != dev->irq)
-			return -EINVAL;
-		return drm_irq_install(dev);
-	case DRM_UNINST_HANDLER:
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		return drm_irq_uninstall(dev);
-	default:
-		return -EINVAL;
-	}
-}
-
-/**
- * Wait for VBLANK.
- *
- * \param inode device inode.
- * \param filp file pointer.rm.
- * \param cmd command.
- * \param data user argument, pointing to a drm_wait_vblank structure.
- * \return zero on success or a negative number on failure.
- *
- * Verifies the IRQ is installed
- *
- * If a signal is requested checks if this task has already scheduled the same signal
- * for the same vblank sequence number - nothing to be done in
- * that case. If the number of tasks waiting for the interrupt exceeds 100 the
- * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this
- * task.
- *
- * If a signal is not requested, then calls vblank_wait().
- */
-int drm_wait_vblank(DRM_IOCTL_ARGS)
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->head->dev;
-	drm_wait_vblank_t __user *argp = (void __user *)data;
-	drm_wait_vblank_t vblwait;
-	struct timeval now;
-	int ret = 0;
-	unsigned int flags;
-
-	if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL))
-		return -EINVAL;
-
-	if ((!dev->irq) || (!dev->irq_enabled))
-		return -EINVAL;
-
-	DRM_COPY_FROM_USER_IOCTL(vblwait, argp, sizeof(vblwait));
-
-	switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) {
-	case _DRM_VBLANK_RELATIVE:
-		vblwait.request.sequence += atomic_read(&dev->vbl_received);
-		vblwait.request.type &= ~_DRM_VBLANK_RELATIVE;
-	case _DRM_VBLANK_ABSOLUTE:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
-
-	if (flags & _DRM_VBLANK_SIGNAL) {
-		unsigned long irqflags;
-		drm_vbl_sig_t *vbl_sig;
-
-		vblwait.reply.sequence = atomic_read(&dev->vbl_received);
-
-		spin_lock_irqsave(&dev->vbl_lock, irqflags);
-
-		/* Check if this task has already scheduled the same signal
-		 * for the same vblank sequence number; nothing to be done in
-		 * that case
-		 */
-		list_for_each_entry(vbl_sig, &dev->vbl_sigs.head, head) {
-			if (vbl_sig->sequence == vblwait.request.sequence
-			    && vbl_sig->info.si_signo == vblwait.request.signal
-			    && vbl_sig->task == current) {
-				spin_unlock_irqrestore(&dev->vbl_lock,
-						       irqflags);
-				goto done;
-			}
-		}
-
-		if (dev->vbl_pending >= 100) {
-			spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-			return -EBUSY;
-		}
-
-		dev->vbl_pending++;
-
-		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-
-		if (!
-		    (vbl_sig =
-		     drm_alloc(sizeof(drm_vbl_sig_t), DRM_MEM_DRIVER))) {
-			return -ENOMEM;
-		}
-
-		memset((void *)vbl_sig, 0, sizeof(*vbl_sig));
-
-		vbl_sig->sequence = vblwait.request.sequence;
-		vbl_sig->info.si_signo = vblwait.request.signal;
-		vbl_sig->task = current;
-
-		spin_lock_irqsave(&dev->vbl_lock, irqflags);
-
-		list_add_tail((struct list_head *)vbl_sig, &dev->vbl_sigs.head);
-
-		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-	} else {
-		if (dev->driver->vblank_wait)
-			ret =
-			    dev->driver->vblank_wait(dev,
-						     &vblwait.request.sequence);
-
-		do_gettimeofday(&now);
-		vblwait.reply.tval_sec = now.tv_sec;
-		vblwait.reply.tval_usec = now.tv_usec;
-	}
-
-      done:
-	DRM_COPY_TO_USER_IOCTL(argp, vblwait, sizeof(vblwait));
-
-	return ret;
-}
-
-/**
- * Send the VBLANK signals.
- *
- * \param dev DRM device.
- *
- * Sends a signal for each task in drm_device::vbl_sigs and empties the list.
- *
- * If a signal is not requested, then calls vblank_wait().
- */
-void drm_vbl_send_signals(drm_device_t * dev)
-{
-	struct list_head *list, *tmp;
-	drm_vbl_sig_t *vbl_sig;
-	unsigned int vbl_seq = atomic_read(&dev->vbl_received);
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev->vbl_lock, flags);
-
-	list_for_each_safe(list, tmp, &dev->vbl_sigs.head) {
-		vbl_sig = list_entry(list, drm_vbl_sig_t, head);
-		if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
-			vbl_sig->info.si_code = vbl_seq;
-			send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info,
-				      vbl_sig->task);
-
-			list_del(list);
-
-			drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER);
-
-			dev->vbl_pending--;
-		}
-	}
-
-	spin_unlock_irqrestore(&dev->vbl_lock, flags);
-}
-EXPORT_SYMBOL(drm_vbl_send_signals);